Data Storage Essentials for Z Systems [MDSE]

This course provides an overview of data storage concepts for z/OS system environments. It covers the range of disciplines and skills required to give a good understanding of how the software and hardware interacts, providing a powerful data storage management environment. This course is most suitable for organizations using the IBM HSM software. 

5 Days

Hands-On

$3495

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• I/O Processing
• Focus on Storage Management
• Data Storage Hardware
• Introduction to HCD
• VSAM Overview
• VSAM Dataset Structure
• Using Access Method Services
• Defining VSAM Datasets
• Listing Catalog Information
• VSAM Dataset Management
• DFSMS Constructs
• The HSM Strategy

• Explain the principles and mechanics of I/O processing
• Describe storage management in a z/OS environment
• List and describe data storage hardware
• Explain the purpose and functions of Hardware Configuration Definition (HCD)
• Use HCD to investigate an I/O configuration
• Describe and explain the concepts of the z/OS access methods
• Describe the structure and design of VSAM files
• Use the Access Method Services utility program IDCAMS to define, load, backup, monitor and manipulate VSAM datasets with particular emphasis on the KSDS file type
• Understand the contents when listing a catalogued dataset
• Understand the contents of ACS routines
• Explain the concepts of SMS
• Describe HSM and its main features

A general knowledge of MVS concepts the ability to use JCL and Utility programs.

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VSAM continues to be a very important part of a data repository for many clients today. Therefore, VSAM performance is critical, especially in an online environment such as CICS. This course is designed to give the attendee the tools necessary to be able to identify areas and tune VSAM data sets. The attendees will be taught what VSAM definition parameters are essential and how they should be defined. A discussion on  obsolete parameters and definitions that when used actually affect the performance of the data set. In addition to defining ways that you can improve batch VSAM processing, attendees will examine how to tune VSAM in an  online environment such as CICS. Among the tools that are used to tune VSAM data sets is the LISTCAT. The course covers how to effectively use a LISTCAT for tuning and discusses certain DFSMS parameters that can help VSAM file performance.

2 Days

$1995

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• Introduction 
• VSAM Architecture 
• Processing VSAM Files
• Using DFSMS to Improve VSAM Performance  

On completion attendees will be able to:

• Perform an analysis of VSAM file definitions related to performance
• Understand the disk format and the effect that a CI/CA size can have on VSAM performance
• Use a LISTCAT to effectively tune VSAM files
• Understand the use of the VERIFY and EXAMINE commands 
• Explain the effect that certain VSAM parameters can have on performance
• Identify DFSMS parameters that can help  

Basic knowledge and experience with VSAM including having defined VSAM files using IDCAMS. Attendees are encouraged to bring along their VSAM file definitions.

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